book Maths Puzzle Numerical Ability

In four rounds of a recent golf tournament, Julie shot 3 under par, 2 over par, 4 under par, and 1 under par. What was her score for the tournament?

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book Other Question

Evette has 41 1/2 ft. of string. She wants to cut it into pieces 3 3/4 ft. long. How many pieces of string will she have? How much string remains, if any?
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I am truly lost...the directions read, write an equation in slope-intercept form of the line that passes through the given point and is parallel to the graph of each equation. the problem reads (2, -7), y=x-2